Home / 60,055.36-90,085.18-20,612.20

Finding the Fourth Proportional to 60,055.36, 90,085.18 and 20,612.20

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Solution

The fourth proportional to 60,055.36, 90,085.18 and 20,612.20 is: 30,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,055.36 : 90,085.18 = 20,612.20 : x
  2. Step 2: Convert to fraction form
    60,055.36/90,085.18 = 20,612.20/x
  3. Step 3: Cross multiply
    60,055.36x = 90,085.18 × 20,612.20
  4. Step 4: Simplify right side
    60,055.36x = 1,856,853,747.20
  5. Step 5: Solve for x
    x = 1,856,853,747.20/60,055.36
  6. Step 6: Final answer
    x = 30,919.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.